<script type="text/javascript">
    //<!CDATA[
        var bodyBgs = [];
        bodyBgs[0] = "{get(wapcslide_pic1)}";
        bodyBgs[1] = "{get(wapcslide_pic2)}";
        bodyBgs[2] = "{get(wapcslide_pic3)}";
        bodyBgs[3] = "{get(wapcslide_pic4)}";
        bodyBgs[4] = "{get(wapcslide_pic5)}";
        var randomBgIndex = Math.round( Math.random() * 4 );
    //输出随机的背景图
        document.write('<style>.banner{background:url(' + bodyBgs[randomBgIndex] + ') no-repeat 50% bottom}</style>');
    //]]>
</script>
<section>
<div class="banner" style="height:{get('wapcslide_height')}px;">
</div>
</section>